... treatment 3.Strictly quality control 4.Competitive price Bll joint SizeAccording to customer’s drawings or samples, OEM No ... Proof, Assembly, Tensile Test, InspectionEquipmentElectricity hydraulic die forging hammer, Friction press, Crankshaft press,Electric furnace,Roll forging machine, Metallographic tester ... blank, 600000 pairs of tie rod and ball joint assembly ball joint(Professional Factory)